[rollei_list] Re: OT: Vinyl and CD's

From: "Austin Franklin" <austin.franklin@xxxxxxxxxxx>

To: <rollei_list@xxxxxxxxxxxxx>

Date: Wed, 4 Mar 2009 08:08:50 -0500

Hi Thor,
> Unfortunately, early CD's sounded harsh (poor converters and
> brickwall filters)
As well as poor playback equipment. Until the introduction of oversampling
filters on CD players, they used third order filters, which have aliasing
issues. With an oversampling filter, a first order filter can be used,
which removes the aliasing issue.
> ...and later ones largely fell prey to
> hypercompression.
Huh? CDs are not compressed.
Regards,
Austin
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